Finally, the workout ends with seated dumbbell cleans. This at-home dumbbell shoulder workout from Rebecca Kennedy, One Peloton master instructor, strategically hits your anterior, lateral, and rear deltoids (aka the front, side, and back of your shoulder muscles) to ensure you're working the whole muscle group.With just four dumbbell shoulder workout exercises, you'll be feeling the burn in your entire upper body (triceps, biceps, and back included). Swing both dumbbells to one side and lift them up as though drawing a circle from hip level to above shoulder … Hold a dumbbell in either hand and stand with your legs wide, knees slightly bent. The back and shoulders workout for our 30-Day Dumbbell Challenge balances out arm and chest workouts to ensure you challenge all the muscles of your upper body. Dumbbells are especially effective at challenging the shoulders, because they force us to stabilize at the joint, creating both strength and stability. If you’ve ever done power cleans, you know how challenging it can be to heft a weight up from the floor to shoulder level. 30-minute Shoulder Workout: How it works. In this 30-minute dumbbell workout to build your shoulders, we’ll hammer through four …